USPS Intelligent Mail

USPS Intelligent Mail

The USPS Intelligent Mail barcode is used by the US Postal service to encode the delivery and sender information on letter mail.

Also known as: USPS OneCode.

Standards: USPS-STD-11.

Data and Options

• The data contains 31 digits representing the following:
  • Barcode Identifier - two digits
  • Service Type Identifier - three digits
  • Mailer ID, Sequence Number - either six then nine digits respectively or nine then six digits respectively
  • Delivery Point ZIP Code - eleven digits
• The mandatory checksum digit is calculated automatically and must not be included in the data field.

Example

Data:    0123456709498765432101234567891
Options: includetext
Encoder: onecode